/Engine/Source/Runtime/CoreUObject/Public/Templates/SubclassOfField.h
Construct from a FFieldClass* (or something implicitly convertible to it)
template<typename U, std::enable_if_t< ![TIsTSubclassOfField](API\Runtime\CoreUObject\Templates\TIsTSubclassOfField)< std::decay_t< U >>::Value, decltype(ImplicitConv< [FFieldClass](API\Runtime\CoreUObject\UObject\FFieldClass) * >(std::declval< U >())) > *> TSubclassOfField ( U && From )